Package org.neo4j.graphalgo.shortestpaths

Class DijkstraProc

  • public class DijkstraProc
extends org.neo4j.graphalgo.AlgoBaseProc<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,​org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,​org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig>

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static class  DijkstraProc.DijkstraResult  

      • Nested classes/interfaces inherited from class org.neo4j.graphalgo.AlgoBaseProc

        org.neo4j.graphalgo.AlgoBaseProc.ComputationResult<A extends org.neo4j.graphalgo.Algorithm<A,​RESULT>,​RESULT extends java.lang.Object,​CONFIG extends org.neo4j.graphalgo.config.AlgoBaseConfig>

      • Nested classes/interfaces inherited from class org.neo4j.graphalgo.BaseProc

        org.neo4j.graphalgo.BaseProc.FreeMemoryInspector

    • Field Summary

      • Fields inherited from class org.neo4j.graphalgo.AlgoBaseProc

        SIGNATURE_PROPERTY, STATS_DESCRIPTION

      • Fields inherited from class org.neo4j.graphalgo.BaseProc

        api, callContext, ESTIMATE_DESCRIPTION, log, procedureTransaction, tracker, transaction

    • Constructor Summary

      Constructors 
      Constructor Description
      DijkstraProc()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected org.neo4j.graphalgo.AlgorithmFactory<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,​org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig> algorithmFactory()  
      java.util.stream.Stream<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra.Result> dijkstraStream​(java.lang.Object graphNameOrConfig, java.util.Map<java.lang.String,​java.lang.Object> configuration)
      single threaded dijkstra impl.
      java.util.stream.Stream<DijkstraProc.DijkstraResult> dijkstraWrite​(java.lang.Object graphNameOrConfig, java.util.Map<java.lang.String,​java.lang.Object> configuration)  
      protected org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig newConfig​(java.lang.String username, java.util.Optional<java.lang.String> graphName, java.util.Optional<org.neo4j.graphalgo.config.GraphCreateConfig> maybeImplicitCreate, org.neo4j.graphalgo.core.CypherMapWrapper userInput)  

      • Methods inherited from class org.neo4j.graphalgo.AlgoBaseProc

        algoName, compute, compute, computeEstimate, createGraph, getOrCreateGraphStore, newConfig, nodeProperties, processInput, validateConfigs, validateConfigsAndGraphStore, validateGraphStore

      • Methods inherited from class org.neo4j.graphalgo.BaseProc

        allocationTracker, databaseId, estimateGraphCreate, newLoader, runWithExceptionLogging, runWithExceptionLogging, tryValidateMemoryUsage, tryValidateMemoryUsage, username, validateConfig, validateGraphName

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • DijkstraProc

        public DijkstraProc()

    • Method Detail

      • dijkstraStream

        public java.util.stream.Stream<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra.Result> dijkstraStream​(java.lang.Object graphNameOrConfig,
                                                                                                                  java.util.Map<java.lang.String,​java.lang.Object> configuration)
        single threaded dijkstra impl. takes a startNode and endNode and tries to find the shortest path supports direction flag in configuration ( see Directions) default is: BOTH

      • dijkstraWrite

        public java.util.stream.Stream<DijkstraProc.DijkstraResult> dijkstraWrite​(java.lang.Object graphNameOrConfig,
                                                                          java.util.Map<java.lang.String,​java.lang.Object> configuration)

      • newConfig

        protected org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig newConfig​(java.lang.String username,
                                                                          java.util.Optional<java.lang.String> graphName,
                                                                          java.util.Optional<org.neo4j.graphalgo.config.GraphCreateConfig> maybeImplicitCreate,
                                                                          org.neo4j.graphalgo.core.CypherMapWrapper userInput)
        Specified by:
        newConfig in class org.neo4j.graphalgo.AlgoBaseProc<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,​org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,​org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig>

      • algorithmFactory

        protected org.neo4j.graphalgo.AlgorithmFactory<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,​org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig> algorithmFactory()
        Specified by:
        algorithmFactory in class org.neo4j.graphalgo.AlgoBaseProc<org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,​org.neo4j.graphalgo.impl.shortestpaths.ShortestPathDijkstra,​org.neo4j.graphalgo.impl.shortestpaths.DijkstraConfig>